package edu.cicese.alz.tests;

/*
Java Swing, 2nd Edition
By Marc Loy, Robert Eckstein, Dave Wood, James Elliott, Brian Cole
ISBN: 0-596-00408-7
Publisher: O'Reilly
*/
// DragTest.java
//A simple (?) test of the DragSource classes to see if we
//can create a draggable object in a Java application. This version
//works with 1.3 and higher SDKs.
//

import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JScrollPane;
import javax.swing.ListSelectionModel;
import java.awt.BorderLayout;
import java.awt.datatransfer.StringSelection;
import java.awt.dnd.DnDConstants;
import java.awt.dnd.DragGestureEvent;
import java.awt.dnd.DragGestureListener;
import java.awt.dnd.DragGestureRecognizer;
import java.awt.dnd.DragSource;
import java.awt.dnd.DragSourceDragEvent;
import java.awt.dnd.DragSourceDropEvent;
import java.awt.dnd.DragSourceEvent;
import java.awt.dnd.DragSourceListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

public class DragTest extends JFrame implements DragSourceListener,
		DragGestureListener {

	DragSource ds;

	JList jl;

	StringSelection transferable;

	String[] items = {"Java", "C", "C++", "Lisp", "Perl", "Python"};

	public DragTest() {
		super("Drag Test");
		setSize(200, 150);
		addWindowListener(new WindowAdapter() {
			public void windowClosing(WindowEvent we) {
				System.exit(0);
			}
		});
		jl = new JList(items);
		jl.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
		getContentPane().add(new JScrollPane(jl), BorderLayout.CENTER);

		ds = new DragSource();
		DragGestureRecognizer dgr = ds.createDefaultDragGestureRecognizer(jl,
				DnDConstants.ACTION_COPY, this);
		setVisible(true);
	}

	public void dragGestureRecognized(DragGestureEvent dge) {
		System.out.println("Drag Gesture Recognized!");
		transferable = new StringSelection(jl.getSelectedValue().toString());
		ds.startDrag(dge, DragSource.DefaultCopyDrop, transferable, this);
	}

	public void dragEnter(DragSourceDragEvent dsde) {
		System.out.println("Drag Enter");
	}

	public void dragExit(DragSourceEvent dse) {
		System.out.println("Drag Exit");
	}

	public void dragOver(DragSourceDragEvent dsde) {
		System.out.println("Drag Over");
	}

	public void dragDropEnd(DragSourceDropEvent dsde) {
		System.out.print("Drag Drop End: ");
		if (dsde.getDropSuccess()) {
			System.out.println("Succeeded");
		} else {
			System.out.println("Failed");
		}
	}

	public void dropActionChanged(DragSourceDragEvent dsde) {
		System.out.println("Drop Action Changed");
	}

	public static void main(String args[]) {
		new DragTest();
	}
}
